After launching its Sierra EV full-size electric truck exclusively in Denali specification, GMC is expanding the lineup by adding the 2026 GMC Sierra EV Elevation and AT4 trim levels, aiming to ...
General Motors launched the GMC Sierra AT4 with the debut of the light-duty pickup’s fourth generation for the 2019 model year. The Sierra range, including the AT4, was later refreshed for the 2022.5 ...